Add an example of how to use SCCs to the user guide

[ghc-hetmet.git] / ghc / Makefile

diff --git a/ghc/Makefile b/ghc/Makefile
index 048b3a5..29ca7a8 100644 (file)
--- a/ghc/Makefile
+++ b/ghc/Makefile
@@ -34,15 +34,25 @@ stage2 ::
 stage3 ::
        $(MAKE) stage=3
 
+
 ifeq "$(CLEAN_ALL_STAGES)" "YES"
-clean distclean:: clean.stage.1 clean.stage.2 clean.stage.3
+clean distclean maintainer-clean:: clean.stage.1 clean.stage.2 clean.stage.3
 else
-clean distclean:: clean.stage.$(stage)
+clean distclean maintainer-clean:: clean.stage.$(stage)
+endif
+
+ifeq "$(CLEAN_ALL_STAGES)" "YES"
+distclean maintainer-clean::
+       $(RM) -f ghc-bin.cabal
 endif
 
 clean.stage.%:
-       -$(CABAL) clean --distpref dist-stage$*
        $(RM) -rf stage$*-inplace
+# This is a bit naughty. We ought to use:
+#      -$(CABAL) clean --distpref dist-stage$*
+# but that won't work if the Cabal file (a generated file) doesn't
+# exist. So we do this instead:
+       $(RM) -rf dist-stage$*
 
 CONFIGURE_FLAGS_STAGE1 += --flags=-ghci
 
@@ -78,9 +88,10 @@ CONFIGURE_FLAGS_STAGE1 += $(foreach flag, $(GhcStage1HcOpts), --ghc-option=$(fla
 CONFIGURE_FLAGS_STAGE2 += $(foreach flag, $(GhcStage2HcOpts), --ghc-option=$(flag))
 CONFIGURE_FLAGS_STAGE3 += $(foreach flag, $(GhcStage3HcOpts), --ghc-option=$(flag))
 
+BUILD_FLAGS += $(patsubst %, --ghc-option=%, $(SRC_HC_OPTS))
 # Allow EXTRA_HC_OPTS to be used from the command line to add options 
 # when building (e.g. -v)
-BUILD_FLAGS=$(patsubst %, --ghc-option=%, $(EXTRA_HC_OPTS))
+BUILD_FLAGS += $(patsubst %, --ghc-option=%, $(EXTRA_HC_OPTS))
 
 # XXX In stage2+ we should really use the inplace ghc-pkg
 # It works because installPackage doesn't actually use ghc-pkg, as there's